diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json
index af660ffab03759..9d4f4d19cc8702 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.compatibility.json
@@ -10872,6 +10872,71 @@
     "any",
     "base"
   ],
+  "ubuntu.23.10": [
+    "ubuntu.23.10",
+    "ubuntu",
+    "debian",
+    "linux",
+    "unix",
+    "any",
+    "base"
+  ],
+  "ubuntu.23.10-arm": [
+    "ubuntu.23.10-arm",
+    "ubuntu.23.10",
+    "ubuntu-arm",
+    "ubuntu",
+    "debian-arm",
+    "debian",
+    "linux-arm",
+    "linux",
+    "unix-arm",
+    "unix",
+    "any",
+    "base"
+  ],
+  "ubuntu.23.10-arm64": [
+    "ubuntu.23.10-arm64",
+    "ubuntu.23.10",
+    "ubuntu-arm64",
+    "ubuntu",
+    "debian-arm64",
+    "debian",
+    "linux-arm64",
+    "linux",
+    "unix-arm64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "ubuntu.23.10-x64": [
+    "ubuntu.23.10-x64",
+    "ubuntu.23.10",
+    "ubuntu-x64",
+    "ubuntu",
+    "debian-x64",
+    "debian",
+    "linux-x64",
+    "linux",
+    "unix-x64",
+    "unix",
+    "any",
+    "base"
+  ],
+  "ubuntu.23.10-x86": [
+    "ubuntu.23.10-x86",
+    "ubuntu.23.10",
+    "ubuntu-x86",
+    "ubuntu",
+    "debian-x86",
+    "debian",
+    "linux-x86",
+    "linux",
+    "unix-x86",
+    "unix",
+    "any",
+    "base"
+  ],
   "unix": [
     "unix",
     "any",
diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
index eface1f4d3d031..73862a890c233e 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/runtime.json
@@ -4121,6 +4121,35 @@
         "ubuntu-x86"
       ]
     },
+    "ubuntu.23.10": {
+      "#import": [
+        "ubuntu"
+      ]
+    },
+    "ubuntu.23.10-arm": {
+      "#import": [
+        "ubuntu.23.10",
+        "ubuntu-arm"
+      ]
+    },
+    "ubuntu.23.10-arm64": {
+      "#import": [
+        "ubuntu.23.10",
+        "ubuntu-arm64"
+      ]
+    },
+    "ubuntu.23.10-x64": {
+      "#import": [
+        "ubuntu.23.10",
+        "ubuntu-x64"
+      ]
+    },
+    "ubuntu.23.10-x86": {
+      "#import": [
+        "ubuntu.23.10",
+        "ubuntu-x86"
+      ]
+    },
     "unix": {
       "#import": [
         "any"
diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props b/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props
index 54966c513678e4..c0d2977412fd35 100644
--- a/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/runtimeGroups.props
@@ -262,7 +262,7 @@
     <RuntimeGroup Include="ubuntu">
       <Parent>debian</Parent>
       <Architectures>x64;x86;arm;arm64</Architectures>
-      <Versions>16.04;16.10;17.04;17.10;18.04;18.10;19.04;19.10;20.04;20.10;21.04;21.10;22.04;22.10;23.04</Versions>
+      <Versions>16.04;16.10;17.04;17.10;18.04;18.10;19.04;19.10;20.04;20.10;21.04;21.10;22.04;22.10;23.04;23.10</Versions>
       <TreatVersionsAsCompatible>false</TreatVersionsAsCompatible>
     </RuntimeGroup>